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Finding the Fourth Proportional to 235,105.80, 352,140.30 and 204,001.80

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Solution

The fourth proportional to 235,105.80, 352,140.30 and 204,001.80 is: 305,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,105.80 : 352,140.30 = 204,001.80 : x
  2. Step 2: Convert to fraction form
    235,105.80/352,140.30 = 204,001.80/x
  3. Step 3: Cross multiply
    235,105.80x = 352,140.30 × 204,001.80
  4. Step 4: Simplify right side
    235,105.80x = 71,837,255,052.54
  5. Step 5: Solve for x
    x = 71,837,255,052.54/235,105.80
  6. Step 6: Final answer
    x = 305,552.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.